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Flowers and Shrubs: O |
Record 1 to 25 of 106 |
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Ochranthe "Ochranthe arguta. 1. grain of pollen; 2. perpendicular section of its pistil." -Lindley, 1853... |
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Oconee Bells "Flowering Plant of Shortia galacifolia. a, the corolla, laid open." -Whitney, 1911... |
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Oenanthe Crocota A genus of poisonous plants. It is commonly found in wet places including streamsides and ditches.... |
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Oil Plant, Castor "The castor oil plant belongs to an order whose affinities have not yet been accurately limited by botanists; but it is supposed to comprise at least one thousand five hundred species." -Lupton... |
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Oleander An ornamental tropical shrub.... |
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Oleander "The Oleander is the common and sweet-scented oleander. They have lanceolate coriaceous leaves, with parallel veins and fine roseate flowers. The former is a native of India, now naturalized in many w... |
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Oleander A class of beautiful evergreen shrubs, known as rose laurel in France, and as rose bay in England. It is native to India, but is now naturalized in many temperate and warm countries, though it require... |
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Oleander Convulate eastivation, as in the corolla-lobes of Oleander... |
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Oleaster "Flowering Branch of Oleaster (Elaeagnus angustifolia). a, fruit; b, section of same." -Whitney, 1911... |
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Olive Olive has been cultivated from the earliest times chiefly for its oil, which is obtained from the fruit by pressure.... |
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Onion An edible bulb, produced by a biennial herb of the lily family. The plant has tubulated leaves, a pithy stalk bearing the seed, and the bulb has a strong odor and taste due to an acrid volatile oil th... |
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Onion This illustration shows the shortened types of stems: A, corm of jack-in-the-pulpit. At left surface view showing lateral buds, roots and sheathing leaf arising from top of shortened stem. At right se... |
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Onion This illustration shows a section of a tunicated bulb of the onion.... |
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Onion Germinating onion, morre advanced; the chink at base of cotyledon opening for the protrusion of the plumule, consisting of a thread-shaped leaf.... |
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Onion Section of the base of germinating onion, showing plumule enclosed.... |
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Onion Section of the base of germinating onion, showing plumule emerging.... |
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Onion Later stage of germinating onion, upper part cut off.... |
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Onion Cells "A, embryonic cells from onion root tip; d, plasmatic membrane; c, cytoplasm; a, nuclear membrane enclosing the thread-like nuclear reticulum; b, nucleolus; e, plastids (black dots scattered about)." ... |
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Onion Cells "B, older (onion) cells farther back from the root tip. The cytoplasm is becoming vacuolate; f, vacuole." -Stevens, 1916... |
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Onion Leaf "Longitudinal section of an onion leaf. sca, thickened base of leaf, forming a bulb-scale; s, thin sheath of leaf; bl, blade of leaf; int, hollow interior of blade." -Bergen, 1896... |
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Onion Magnified This is an illustration of crystals from the base of an onion, one of them a hemitrope or double.... |
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Onion Seed Section of an Onion-seed, showing the slender and the coiled embryo in the albumen.... |
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Onion-Peel Four cells from dried Onion-peel, each holding a crystal of different shape, one of them twinned.... |
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Onion-seed Seed of an onion, in an early germination stage.... |
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Opium Opium is commonly known for the hallucinogenic effects its flowers produce.... |
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